Mirion Technologies (MIR) director receives 7,383-share restricted stock grant

Rhea-AI Filing Summary

Bockhorst Kenneth reported acquisition or exercise transactions in this Form 4 filing.

Mirion Technologies director Kenneth Bockhorst received an equity award in the form of restricted stock units. On the reported date, he was granted 7,383 shares of Class A common stock as a stock award at no cash cost, increasing his direct holdings to 77,258 shares.

The footnote explains these restricted stock units vest on the earlier of the first anniversary of the grant date or the company’s next annual stockholder meeting, if he continues serving as a non-employee director through that date. This reflects routine board compensation rather than an open-market purchase.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bockhorst Kenneth

Role null

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	7,383	$0.00	--

Holdings After Transaction: Class A Common Stock — 77,258 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSU grant: 7,383 shares Grant price: $0.00 per share Post-transaction holdings: 77,258 shares

3 metrics

RSU grant 7,383 shares Restricted stock units granted to director on reported date

Grant price $0.00 per share Price per share for the restricted stock unit award

Post-transaction holdings 77,258 shares Director’s direct holdings after the grant

Key Terms

restricted stock units, non-employee director, annual stockholder meeting

3 terms

restricted stock units financial

"Represents restricted stock units that will vest on the earlier to occur"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

non-employee director financial

"subject to the non-employee director's continued service on the Board"

annual stockholder meeting financial

"date of the annual stockholder meeting following the grant date"

An annual stockholder meeting is a yearly gathering where a company's owners (shareholders) receive updates on performance, vote on key issues like board members, executive pay and major corporate plans, and ask questions of management. Think of it as a company town hall where choices about oversight and direction are decided; outcomes can affect management accountability, corporate strategy and ultimately the value and risks of investors’ shares.

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Bockhorst Kenneth

(Last) (First) (Middle)

1218 MENLO DRIVE

(Street)

ATLANTA GEORGIA 30318

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Mirion Technologies, Inc. [ MIR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	05/13/2026		A		7,383(1)	A	$0	77,258	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units that will vest on the earlier to occur of (i) first anniversary of the grant date or (ii) date of the annual stockholder meeting following the grant date, subject to the non-employee director's continued service on the Board through such vesting date.

Remarks:

	/s/ Emmanuelle Lee, attorney-in-fact for Kenneth Bockhorst	05/14/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Mirion Technologies (MIR) report for Kenneth Bockhorst?

Mirion Technologies reported that director Kenneth Bockhorst received 7,383 shares of Class A common stock as a stock award. The shares were granted as restricted stock units at no cash cost, increasing his direct holdings to 77,258 shares.

Was the Mirion Technologies (MIR) insider transaction a stock purchase or a grant?

The transaction was a grant, not an open-market stock purchase. Kenneth Bockhorst received 7,383 restricted stock units as compensation at a price per share of $0.00, which is typical for non-employee director equity awards rather than discretionary buying.

How many Mirion Technologies (MIR) shares does Kenneth Bockhorst hold after this Form 4?

After the reported grant, Kenneth Bockhorst directly holds 77,258 shares of Mirion Technologies Class A common stock. This total includes the newly awarded 7,383 restricted stock units, according to the share balance reported following the transaction.

When do Kenneth Bockhorst’s Mirion Technologies (MIR) restricted stock units vest?

The restricted stock units vest on the earlier of two events: the first anniversary of the grant date, or the date of the next annual stockholder meeting. Vesting requires Kenneth Bockhorst to continue serving as a non-employee director through the applicable vesting date.

Does the Mirion Technologies (MIR) Form 4 indicate any insider share sales?

The Form 4 does not report any share sales. It shows only an acquisition via a grant of 7,383 restricted stock units to director Kenneth Bockhorst, with zero shares classified as sold or disposed of in this filing.